Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 11-06-2021 and time 02:01:23 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 11-06-2021 00:01:23 (UTC)
  • 11-06-2021 02:01:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.2300 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 6 1178 1178
Accumoli RI 10 667 1845
Montegallo AP 11 523 2368
Norcia PG 11 4957 7325
Castelsantangelo sul Nera MC 14 281 7606
Acquasanta Terme AP 15 2916 10522
Montemonaco AP 15 604 11126
Amatrice RI 18 2657 13783
Preci PG 19 724 14507
Ussita MC 19 444 14951
Cascia PG 19 3217 18168
Montefortino FM 20 1178 19346
Cittareale RI 20 482 19828
Visso MC 20 1107 20935

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
50 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.5 2021-06-11
00:01:23		 42.7877 13.23 7 2021-12-29
11:12:11		 Bollettino Sismico Italiano INGV 92824531
Reviewed
Rev100 		ML 1.5 2021-06-11
00:01:23		 42.7888 13.2403 9 2021-06-11
00:13:34		 Sala Sismica INGV-Roma 91061581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-11 00:01:23 ± 0.06
Latitude 42.7877 ± 0.0027
Longitude 13.2300 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92824531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 332
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94878
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 92824531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-18 10:24:01

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 91061581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-11 00:13:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2021-06-11T00:02:02.48 3.0 negative manual Pg 4.91 0
IV.ARVD.HHZ. 2021-06-11T00:01:50.10 0.3 undecidable manual S 344 82.1511 50 0.96 50
IV.MURB.HHZ. 2021-06-11T00:01:48.07 0.3 undecidable manual S 313 77.7666 50 0.11 67
IV.CING.HHZ. 2021-06-11T00:01:45.13 0.3 undecidable manual S 358 65.2902 50 0.51 63
IV.ATCC.EHZ. 2021-06-11T00:01:44.83 0.6 undecidable manual S 313 65.0904 50 0.26 44
IV.EL6.EHZ. 2021-06-11T00:01:44.10 0.6 undecidable manual S 350 60.9945 50 0.62 40
IV.CESX.HHZ. 2021-06-11T00:01:42.68 1.0 undecidable manual S 249 56.0994 50 0.51 21
IV.FIAM.HHZ. 2021-06-11T00:01:42.49 0.3 undecidable manual S 189 58.3971 50 -0.29 67
IV.MOMA.HHZ. 2021-06-11T00:01:42.04 0.6 undecidable manual S 272 53.7018 50 0.5 43
IV.ASSB.HHZ. 2021-06-11T00:01:41.44 0.6 undecidable manual S 302 54.3012 50 -0.26 45
IV.NARO.HHZ. 2021-06-11T00:01:41.48 0.1 undecidable manual P 330 105.3168 50 -0.53 77
IV.OFFI.HHZ. 2021-06-11T00:01:39.43 0.3 undecidable manual S 66 40.5261 50 1.42 43
IV.ARVD.HHZ. 2021-06-11T00:01:38.09 0.1 undecidable manual P 344 82.1511 50 -0.35 84
IV.SAP2.EHE. 2021-06-11T00:01:37.45 0.3 undecidable manual S 22 36.9297 101 0.58 64
IV.MURB.HHZ. 2021-06-11T00:01:37.54 0.1 undecidable manual P 313 77.7666 50 -0.22 87
IV.CESI.HHZ. 2021-06-11T00:01:36.23 0.6 undecidable manual S 312 35.742 101 -0.25 47
IV.CSP1.EHZ. 2021-06-11T00:01:35.30 0.3 undecidable manual S 357 33.8439 102 -0.51 66
IV.GUMA.HHZ. 2021-06-11T00:01:35.33 0.6 undecidable manual S 16 31.6461 102 0.24 47
IV.ATCC.EHZ. 2021-06-11T00:01:35.51 0.3 undecidable manual P 313 65.0904 50 -0.3 66
IV.GAVE.EHZ. 2021-06-11T00:01:35.11 0.6 undecidable manual S 249 29.3484 103 0.81 39
IV.TERO.HHZ. 2021-06-11T00:01:35.70 0.6 undecidable manual S 121 35.5422 101 -0.7 41
IV.CING.HHZ. 2021-06-11T00:01:35.38 0.1 undecidable manual P 358 65.2902 50 -0.46 85
IV.FIAM.HHZ. 2021-06-11T00:01:34.28 0.1 undecidable manual P 189 58.3971 50 -0.49 85
IV.MF5.EHZ. 2021-06-11T00:01:34.61 0.6 undecidable manual S 40 29.0487 104 0.42 46
IV.CAMP.HHE. 2021-06-11T00:01:34.75 0.3 undecidable manual S 152 31.5462 102 -0.28 70
IV.FDMO.HHZ. 2021-06-11T00:01:34.07 0.6 undecidable manual S 337 29.9478 103 -0.43 45
IV.EL6.EHZ. 2021-06-11T00:01:34.68 1.0 undecidable manual P 350 60.9945 50 -0.49 21
IV.CESX.HHZ. 2021-06-11T00:01:34.71 0.1 undecidable manual P 249 56.0994 50 0.29 89
IV.RM33.EHZ. 2021-06-11T00:01:34.93 0.6 undecidable manual S 182 30.9468 103 0.09 49
IV.LNSS.HHZ. 2021-06-11T00:01:33.73 0.6 undecidable manual S 217 25.6521 105 0.67 42
IV.MOMA.HHZ. 2021-06-11T00:01:33.82 0.1 undecidable manual P 272 53.7018 50 -0.24 91
IV.ASSB.HHZ. 2021-06-11T00:01:33.68 0.1 undecidable manual P 302 54.3012 50 -0.47 86
IV.MNTT.EHZ. 2021-06-11T00:01:32.62 0.1 undecidable manual P 44 42.5241 50 0.29 92
IV.ARRO.EHZ. 2021-06-11T00:01:32.11 0.6 undecidable manual P 239 44.3223 50 -0.5 44
IV.FEMA.HNE. 2021-06-11T00:01:32.93 0.3 undecidable manual S 323 24.2535 106 0.33 70
IV.OFFI.HHZ. 2021-06-11T00:01:32.32 0.3 undecidable manual P 66 40.5261 50 0.3 69
IV.SAP2.EHE. 2021-06-11T00:01:31.36 0.1 undecidable manual P 22 36.9297 101 0 98
IV.T1299.HNN. 2021-06-11T00:01:31.28 0.3 undecidable manual S 166 17.5713 112 0.9 58
IV.SMA1.EHZ. 2021-06-11T00:01:31.14 0.6 undecidable manual S 154 19.4694 110 0.14 49
IV.TERO.HHZ. 2021-06-11T00:01:30.53 0.1 undecidable manual P 121 35.5422 101 -0.56 87
IV.CESI.HHZ. 2021-06-11T00:01:30.77 0.1 undecidable manual P 312 35.742 101 -0.37 91
IV.CSP1.EHZ. 2021-06-11T00:01:30.24 0.1 undecidable manual P 357 33.8439 102 -0.51 89
IV.RM33.EHZ. 2021-06-11T00:01:30.06 0.6 undecidable manual P 182 30.9468 103 -0.12 48
IV.CAMP.HHE. 2021-06-11T00:01:30.01 0.1 undecidable manual P 152 31.5462 102 -0.29 93
IV.GUMA.HHZ. 2021-06-11T00:01:30.23 0.1 undecidable manual P 16 31.6461 102 -0.1 97
IV.GAVE.EHZ. 2021-06-11T00:01:29.90 0.3 undecidable manual P 249 29.3484 103 0.03 74
IV.MTRA.HNZ. 2021-06-11T00:01:29.42 0.3 undecidable manual S 104 13.9749 117 0.16 74
IV.FEMA.HNE. 2021-06-11T00:01:29.00 0.1 undecidable manual P 323 24.2535 106 0.11 98
IV.MC2.EHZ. 2021-06-11T00:01:29.59 0.6 undecidable manual S 346 14.1747 116 0.29 48
IV.MMO1.EHZ. 2021-06-11T00:01:29.04 0.3 undecidable manual S 32 14.6742 115 -0.43 70
IV.LNSS.HHZ. 2021-06-11T00:01:29.24 0.1 undecidable manual P 217 25.6521 105 0.08 99
IV.FDMO.HHZ. 2021-06-11T00:01:29.61 0.6 undecidable manual P 337 29.9478 103 -0.38 46
IV.MF5.EHZ. 2021-06-11T00:01:29.93 0.1 undecidable manual P 40 29.0487 104 0.12 97
IV.NRCA.HHZ. 2021-06-11T00:01:28.60 0.6 undecidable manual S 298 10.6782 123 0.33 48
IV.SMA1.EHZ. 2021-06-11T00:01:28.03 0.1 undecidable manual P 154 19.4694 110 0.06 100
IV.MTRA.HNZ. 2021-06-11T00:01:27.09 0.3 undecidable manual P 104 13.9749 117 0.13 75
IV.MC2.EHZ. 2021-06-11T00:01:27.12 0.1 undecidable manual P 346 14.1747 116 0.13 100
IV.T1299.HNN. 2021-06-11T00:01:27.99 0.3 undecidable manual P 166 17.5713 112 0.38 70
IV.NRCA.HHZ. 2021-06-11T00:01:26.65 0.1 positive manual P 298 10.6782 123 0.26 97
IV.MMO1.EHZ. 2021-06-11T00:01:26.95 0.1 undecidable manual P 32 14.6742 115 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.0 0.00132 0.34 AML other m 2021-06-11T00:01:29.17
IV.NRCA.HNE. ML:2.0 0.0013199999999999998 0.88 AML other m 2021-06-11T00:01:29.44
IV.NRCA.HNN. ML:1.8 0.0009690000000000001 1.64 AML other m 2021-06-11T00:01:29.02
IV.NRCA.HHN. ML:1.8 0.000977 1.64 AML other m 2021-06-11T00:01:29.02
IV.MTRA.HNE. ML:1.6 0.0005035 1.3 AML other m 2021-06-11T00:01:30.84
IV.MTRA.HNN. ML:1.7 0.0005675 0.42 AML other m 2021-06-11T00:01:30.27
IV.MTRA.EHN. ML:1.7 0.0005935000000000001 0.4 AML other m 2021-06-11T00:01:30.28
IV.MTRA.EHE. ML:1.6 0.00053 0.3 AML other m 2021-06-11T00:01:31.59
IV.LNSS.HHN. ML:1.6 0.0002485 0.6 AML other m 2021-06-11T00:01:34.87
IV.LNSS.HHE. ML:1.5 0.0002055 0.2 AML other m 2021-06-11T00:01:34.58
IV.FDMO.HHN. ML:1.3 0.000101 0.2 AML other m 2021-06-11T00:01:35.12
IV.FDMO.HHE. ML:1.3 0.0000896 0.5 AML other m 2021-06-11T00:01:35.56
IV.RM33.EHN. ML:1.3 0.0000926 0.16 AML other m 2021-06-11T00:01:35.93
IV.TERO.HHN. ML:1.4 0.00010180000000000001 1.88 AML other m 2021-06-11T00:01:35.94
IV.TERO.HHE. ML:1.4 0.00011 1.78 AML other m 2021-06-11T00:01:36.00
IV.GAVE.EHN. ML:1.4 0.000133 0.9 AML other m 2021-06-11T00:01:36.06
IV.CSP1.EHE. ML:1.9 0.000348 0.8 AML other m 2021-06-11T00:01:36.07
IV.SMA1.EHE. ML:1.5 0.00023299999999999997 0.54 AML other m 2021-06-11T00:01:36.28
IV.GUMA.HHE. ML:1.9 0.0004055 0.42 AML other m 2021-06-11T00:01:36.83
IV.GAVE.EHE. ML:1.4 0.00013900000000000002 0.98 AML other m 2021-06-11T00:01:36.24
IV.GUMA.HHN. ML:1.8 0.00028000000000000003 0.66 AML other m 2021-06-11T00:01:36.81
IV.RM33.EHE. ML:1.3 0.00010575 1.46 AML other m 2021-06-11T00:01:36.14
IV.CSP1.EHN. ML:1.9 0.00035150000000000003 1 AML other m 2021-06-11T00:01:37.69
IV.SMA1.EHN. ML:1.4 0.0002175 0.62 AML other m 2021-06-11T00:01:37.52
IV.CESI.HHE. ML:1.3 0.0000805 1.1 AML other m 2021-06-11T00:01:37.86
IV.CESI.HHN. ML:1.5 0.000135 0.38 AML other m 2021-06-11T00:01:37.63
IV.OFFI.HHE. ML:1.6 0.0001245 1.5 AML other m 2021-06-11T00:01:39.98
IV.ARRO.EHE. ML:0.9 0.00002655 0.22 AML other m 2021-06-11T00:01:42.39
IV.ARRO.EHN. ML:1.0 0.0000315 0.24 AML other m 2021-06-11T00:01:43.04
IV.ASSB.HHN. ML:1.4 0.0000589 1.24 AML other m 2021-06-11T00:01:43.82
IV.ASSB.HHE. ML:1.4 0.00005615 0.94 AML other m 2021-06-11T00:01:43.49
IV.MOMA.HHN. ML:1.4 0.00006525 0.18 AML other m 2021-06-11T00:01:43.78
IV.MOMA.HHE. ML:1.5 0.00006934999999999999 0.86 AML other m 2021-06-11T00:01:43.52
IV.OFFI.HHN. ML:1.6 0.000156 0.48 AML other m 2021-06-11T00:01:45.15
IV.MNTT.EHE. ML:2.1 0.00041900000000000005 1.78 AML other m 2021-06-11T00:01:45.05
IV.CING.HHN. ML:1.2 0.000029749999999999998 0.16 AML other m 2021-06-11T00:01:46.31
IV.ATCC.EHN. ML:1.3 0.00003595 0.26 AML other m 2021-06-11T00:01:46.56
IV.CING.HHE. ML:1.2 0.000030050000000000002 1.18 AML other m 2021-06-11T00:01:46.07
IV.ATCC.EHE. ML:1.2 0.0000324 0.82 AML other m 2021-06-11T00:01:46.94
IV.MNTT.EHN. ML:1.7 0.0001555 0.6 AML other m 2021-06-11T00:01:48.57
IV.ARVD.HHN. ML:0.9 0.00001095 0.54 AML other m 2021-06-11T00:01:51.30
IV.CESX.HHN. ML:1.0 0.000025500000000000003 0.38 AML other m 2021-06-11T00:01:52.44
IV.ARVD.HHE. ML:1.0 0.0000133 0.92 AML other m 2021-06-11T00:01:52.50
IV.CESX.HHE. ML:1.0 0.000025799999999999997 1.62 AML other m 2021-06-11T00:01:53.84
IV.MURB.HHN. ML:1.6 0.00005465000000000001 0.32 AML other m 2021-06-11T00:01:55.37
IV.MURB.HHE. ML:1.6 0.0000585 1.02 AML other m 2021-06-11T00:01:56.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download